3/4 C soy sauce
1/3 C pickapeppa sauce
1/3 C Worcestershire
1/4 C red wine
1/4 C red wine vinegar
3 T brown sugar
1-1/2 T oil, preferably sesame
2 garlic cloves, minced
2-1/2 lbs flank steak

Marinate steaks in mixture overnight. Remove and barbecue them. Meanwhile, bring marinade to a boil for 5-10 minutes, until reduced by one third. Keep warm and use to glaze meat.